c-common.h (161660) | c-common.h (169699) |
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1/* Definitions for c-common.c. 2 Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, | 1/* Definitions for c-common.c. 2 Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, |
3 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. | 3 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 2, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to the Free | 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 2, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to the Free |
19Software Foundation, 59 Temple Place - Suite 330, Boston, MA 2002111-1307, USA. */ | 19Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 2002110-1301, USA. */ |
21 22#ifndef GCC_C_COMMON_H 23#define GCC_C_COMMON_H 24 25#include "splay-tree.h" 26#include "cpplib.h" 27#include "ggc.h" 28 29/* Usage of TREE_LANG_FLAG_?: | 21 22#ifndef GCC_C_COMMON_H 23#define GCC_C_COMMON_H 24 25#include "splay-tree.h" 26#include "cpplib.h" 27#include "ggc.h" 28 29/* Usage of TREE_LANG_FLAG_?: |
30 0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT). 31 TREE_NEGATED_INT (in INTEGER_CST). | 30 0: TREE_NEGATED_INT (in INTEGER_CST). |
32 IDENTIFIER_MARKED (used by search routines). | 31 IDENTIFIER_MARKED (used by search routines). |
33 SCOPE_BEGIN_P (in SCOPE_STMT) | |
34 DECL_PRETTY_FUNCTION_P (in VAR_DECL) | 32 DECL_PRETTY_FUNCTION_P (in VAR_DECL) |
35 NEW_FOR_SCOPE_P (in FOR_STMT) 36 ASM_INPUT_P (in ASM_STMT) 37 STMT_EXPR_NO_SCOPE (in STMT_EXPR) | |
38 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) | 33 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
39 STMT_IS_FULL_EXPR_P (in _STMT) 40 2: STMT_LINENO_FOR_FN_P (in _STMT) 41 3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT) 42 COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT) 43 STMT_EXPR_WARN_UNUSED_RESULT (in STMT_EXPR) 44 4: SCOPE_PARTIAL_P (in SCOPE_STMT) | 34 STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) 35 2: unused 36 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) 37 4: unused |
45*/ 46 47/* Reserved identifiers. This is the union of all the keywords for C, 48 C++, and Objective-C. All the type modifiers have to be in one 49 block at the beginning, because they are used as mask bits. There 50 are 27 type modifiers; if we add many more we will have to redesign 51 the mask mechanism. */ 52 --- 19 unchanged lines hidden (view full) --- 72 RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, 73 RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, 74 RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, 75 RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, 76 RID_SIZEOF, 77 78 /* C extensions */ 79 RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, | 38*/ 39 40/* Reserved identifiers. This is the union of all the keywords for C, 41 C++, and Objective-C. All the type modifiers have to be in one 42 block at the beginning, because they are used as mask bits. There 43 are 27 type modifiers; if we add many more we will have to redesign 44 the mask mechanism. */ 45 --- 19 unchanged lines hidden (view full) --- 65 RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, 66 RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, 67 RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, 68 RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, 69 RID_SIZEOF, 70 71 /* C extensions */ 72 RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, |
80 RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_PTRBASE, 81 RID_PTREXTENT, RID_PTRVALUE, RID_CHOOSE_EXPR, RID_TYPES_COMPATIBLE_P, | 73 RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, 74 RID_TYPES_COMPATIBLE_P, 75 RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
82 83 /* Too many ways of getting the name of a function as a string */ 84 RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, 85 86 /* C++ */ 87 RID_BOOL, RID_WCHAR, RID_CLASS, 88 RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, 89 RID_TEMPLATE, RID_NULL, RID_CATCH, 90 RID_DELETE, RID_FALSE, RID_NAMESPACE, | 76 77 /* Too many ways of getting the name of a function as a string */ 78 RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, 79 80 /* C++ */ 81 RID_BOOL, RID_WCHAR, RID_CLASS, 82 RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, 83 RID_TEMPLATE, RID_NULL, RID_CATCH, 84 RID_DELETE, RID_FALSE, RID_NAMESPACE, |
91 RID_NEW, RID_OFFSETOF, RID_OPERATOR, 92 RID_THIS, RID_THROW, RID_TRUE, 93 RID_TRY, RID_TYPENAME, RID_TYPEID, | 85 RID_NEW, RID_OFFSETOF, RID_OPERATOR, 86 RID_THIS, RID_THROW, RID_TRUE, 87 RID_TRY, RID_TYPENAME, RID_TYPEID, |
94 RID_USING, 95 96 /* casts */ 97 RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, 98 99 /* Objective-C */ | 88 RID_USING, 89 90 /* casts */ 91 RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, 92 93 /* Objective-C */ |
100 RID_ID, RID_AT_ENCODE, RID_AT_END, | 94 RID_AT_ENCODE, RID_AT_END, |
101 RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, 102 RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, | 95 RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, 96 RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, |
103 RID_AT_PROTOCOL, RID_AT_SELECTOR, | 97 RID_AT_PROTOCOL, RID_AT_SELECTOR, |
104 RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, 105 RID_AT_FINALLY, RID_AT_SYNCHRONIZED, 106 RID_AT_INTERFACE, 107 RID_AT_IMPLEMENTATION, 108 109 RID_MAX, 110 111 RID_FIRST_MODIFIER = RID_STATIC, 112 RID_LAST_MODIFIER = RID_ONEWAY, 113 114 RID_FIRST_AT = RID_AT_ENCODE, 115 RID_LAST_AT = RID_AT_IMPLEMENTATION, 116 RID_FIRST_PQ = RID_IN, 117 RID_LAST_PQ = RID_ONEWAY 118}; 119 120#define OBJC_IS_AT_KEYWORD(rid) \ | 98 RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, 99 RID_AT_FINALLY, RID_AT_SYNCHRONIZED, 100 RID_AT_INTERFACE, 101 RID_AT_IMPLEMENTATION, 102 103 RID_MAX, 104 105 RID_FIRST_MODIFIER = RID_STATIC, 106 RID_LAST_MODIFIER = RID_ONEWAY, 107 108 RID_FIRST_AT = RID_AT_ENCODE, 109 RID_LAST_AT = RID_AT_IMPLEMENTATION, 110 RID_FIRST_PQ = RID_IN, 111 RID_LAST_PQ = RID_ONEWAY 112}; 113 114#define OBJC_IS_AT_KEYWORD(rid) \ |
121 ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \ 122 (unsigned int)(rid) <= (unsigned int)RID_LAST_AT) | 115 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ 116 (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) |
123 124#define OBJC_IS_PQ_KEYWORD(rid) \ | 117 118#define OBJC_IS_PQ_KEYWORD(rid) \ |
125 ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \ 126 (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ) | 119 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ 120 (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) |
127 128/* The elements of `ridpointers' are identifier nodes for the reserved 129 type names and storage classes. It is indexed by a RID_... value. */ | 121 122/* The elements of `ridpointers' are identifier nodes for the reserved 123 type names and storage classes. It is indexed by a RID_... value. */ |
130extern GTY ((length ("(int)RID_MAX"))) tree *ridpointers; | 124extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
131 132/* Standard named or nameless data types of the C compiler. */ 133 134enum c_tree_index 135{ 136 CTI_WCHAR_TYPE, 137 CTI_SIGNED_WCHAR_TYPE, 138 CTI_UNSIGNED_WCHAR_TYPE, --- 13 unchanged lines hidden (view full) --- 152 153 /* Type for boolean expressions (bool in C++, int in C). */ 154 CTI_TRUTHVALUE_TYPE, 155 CTI_TRUTHVALUE_TRUE, 156 CTI_TRUTHVALUE_FALSE, 157 158 CTI_DEFAULT_FUNCTION_TYPE, 159 | 125 126/* Standard named or nameless data types of the C compiler. */ 127 128enum c_tree_index 129{ 130 CTI_WCHAR_TYPE, 131 CTI_SIGNED_WCHAR_TYPE, 132 CTI_UNSIGNED_WCHAR_TYPE, --- 13 unchanged lines hidden (view full) --- 146 147 /* Type for boolean expressions (bool in C++, int in C). */ 148 CTI_TRUTHVALUE_TYPE, 149 CTI_TRUTHVALUE_TRUE, 150 CTI_TRUTHVALUE_FALSE, 151 152 CTI_DEFAULT_FUNCTION_TYPE, 153 |
160 CTI_G77_INTEGER_TYPE, 161 CTI_G77_UINTEGER_TYPE, 162 CTI_G77_LONGINT_TYPE, 163 CTI_G77_ULONGINT_TYPE, 164 | |
165 /* These are not types, but we have to look them up all the time. */ 166 CTI_FUNCTION_NAME_DECL, 167 CTI_PRETTY_FUNCTION_NAME_DECL, 168 CTI_C99_FUNCTION_NAME_DECL, 169 CTI_SAVED_FUNCTION_NAME_DECLS, | 154 /* These are not types, but we have to look them up all the time. */ 155 CTI_FUNCTION_NAME_DECL, 156 CTI_PRETTY_FUNCTION_NAME_DECL, 157 CTI_C99_FUNCTION_NAME_DECL, 158 CTI_SAVED_FUNCTION_NAME_DECLS, |
170 | 159 |
171 CTI_VOID_ZERO, 172 | 160 CTI_VOID_ZERO, 161 |
162 CTI_NULL, 163 |
|
173 CTI_MAX 174}; 175 176#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) 177 178/* Identifier part common to the C front ends. Inherits from 179 tree_identifier, despite appearances. */ 180struct c_common_identifier GTY(()) --- 20 unchanged lines hidden (view full) --- 201#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] 202#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] 203#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] 204#define string_type_node c_global_trees[CTI_STRING_TYPE] 205#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] 206 207#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] 208 | 164 CTI_MAX 165}; 166 167#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) 168 169/* Identifier part common to the C front ends. Inherits from 170 tree_identifier, despite appearances. */ 171struct c_common_identifier GTY(()) --- 20 unchanged lines hidden (view full) --- 192#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] 193#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] 194#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] 195#define string_type_node c_global_trees[CTI_STRING_TYPE] 196#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] 197 198#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] 199 |
209/* g77 integer types, which which must be kept in sync with f/com.h */ 210#define g77_integer_type_node c_global_trees[CTI_G77_INTEGER_TYPE] 211#define g77_uinteger_type_node c_global_trees[CTI_G77_UINTEGER_TYPE] 212#define g77_longint_type_node c_global_trees[CTI_G77_LONGINT_TYPE] 213#define g77_ulongint_type_node c_global_trees[CTI_G77_ULONGINT_TYPE] 214 | |
215#define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] 216#define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] 217#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] 218#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] 219 220/* A node for `((void) 0)'. */ 221#define void_zero_node c_global_trees[CTI_VOID_ZERO] 222 | 200#define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] 201#define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] 202#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] 203#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] 204 205/* A node for `((void) 0)'. */ 206#define void_zero_node c_global_trees[CTI_VOID_ZERO] 207 |
208/* The node for C++ `__null'. */ 209#define null_node c_global_trees[CTI_NULL] 210 |
|
223extern GTY(()) tree c_global_trees[CTI_MAX]; 224 225/* In a RECORD_TYPE, a sorted array of the fields of the type, not a 226 tree for size reasons. */ 227struct sorted_fields_type GTY(()) 228{ 229 int len; 230 tree GTY((length ("%h.len"))) elts[1]; 231}; 232 233/* Mark which labels are explicitly declared. 234 These may be shadowed, and may be referenced from nested functions. */ 235#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) 236 | 211extern GTY(()) tree c_global_trees[CTI_MAX]; 212 213/* In a RECORD_TYPE, a sorted array of the fields of the type, not a 214 tree for size reasons. */ 215struct sorted_fields_type GTY(()) 216{ 217 int len; 218 tree GTY((length ("%h.len"))) elts[1]; 219}; 220 221/* Mark which labels are explicitly declared. 222 These may be shadowed, and may be referenced from nested functions. */ 223#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) 224 |
237/* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a 238 warning if they undergo concatenation. */ 239#define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE) 240 | |
241typedef enum c_language_kind 242{ 243 clk_c = 0, /* C90, C94 or C99 */ 244 clk_objc = 1, /* clk_c with ObjC features. */ 245 clk_cxx = 2, /* ANSI/ISO C++ */ 246 clk_objcxx = 3 /* clk_cxx with ObjC features. */ 247} 248c_language_kind; 249 250/* To test for a specific language use c_language, defined by each 251 front end. For "ObjC features" or "not C++" use the macros. */ 252extern c_language_kind c_language; 253 254#define c_dialect_cxx() (c_language & clk_cxx) 255#define c_dialect_objc() (c_language & clk_objc) 256 257/* Information about a statement tree. */ 258 259struct stmt_tree_s GTY(()) { | 225typedef enum c_language_kind 226{ 227 clk_c = 0, /* C90, C94 or C99 */ 228 clk_objc = 1, /* clk_c with ObjC features. */ 229 clk_cxx = 2, /* ANSI/ISO C++ */ 230 clk_objcxx = 3 /* clk_cxx with ObjC features. */ 231} 232c_language_kind; 233 234/* To test for a specific language use c_language, defined by each 235 front end. For "ObjC features" or "not C++" use the macros. */ 236extern c_language_kind c_language; 237 238#define c_dialect_cxx() (c_language & clk_cxx) 239#define c_dialect_objc() (c_language & clk_objc) 240 241/* Information about a statement tree. */ 242 243struct stmt_tree_s GTY(()) { |
260 /* The last statement added to the tree. */ 261 tree x_last_stmt; 262 /* The type of the last expression statement. (This information is 263 needed to implement the statement-expression extension.) */ 264 tree x_last_expr_type; 265 /* The last filename we recorded. */ 266 const char *x_last_expr_filename; | 244 /* The current statement list being collected. */ 245 tree x_cur_stmt_list; 246 |
267 /* In C++, Nonzero if we should treat statements as full 268 expressions. In particular, this variable is no-zero if at the 269 end of a statement we should destroy any temporaries created 270 during that statement. Similarly, if, at the end of a block, we 271 should destroy any local variables in this block. Normally, this 272 variable is nonzero, since those are the normal semantics of 273 C++. 274 --- 10 unchanged lines hidden (view full) --- 285 286/* Global state pertinent to the current function. Some C dialects 287 extend this structure with additional fields. */ 288 289struct c_language_function GTY(()) { 290 /* While we are parsing the function, this contains information 291 about the statement-tree that we are building. */ 292 struct stmt_tree_s x_stmt_tree; | 247 /* In C++, Nonzero if we should treat statements as full 248 expressions. In particular, this variable is no-zero if at the 249 end of a statement we should destroy any temporaries created 250 during that statement. Similarly, if, at the end of a block, we 251 should destroy any local variables in this block. Normally, this 252 variable is nonzero, since those are the normal semantics of 253 C++. 254 --- 10 unchanged lines hidden (view full) --- 265 266/* Global state pertinent to the current function. Some C dialects 267 extend this structure with additional fields. */ 268 269struct c_language_function GTY(()) { 270 /* While we are parsing the function, this contains information 271 about the statement-tree that we are building. */ 272 struct stmt_tree_s x_stmt_tree; |
293 /* The stack of SCOPE_STMTs for the current function. */ 294 tree x_scope_stmt_stack; | |
295}; 296 | 273}; 274 |
297/* When building a statement-tree, this is the last statement added to 298 the tree. */ | 275/* When building a statement-tree, this is the current statement list 276 being collected. It's TREE_CHAIN is a back-pointer to the previous 277 statement list. */ |
299 | 278 |
300#define last_tree (current_stmt_tree ()->x_last_stmt) | 279#define cur_stmt_list (current_stmt_tree ()->x_cur_stmt_list) |
301 | 280 |
302/* The type of the last expression-statement we have seen. */ 303 304#define last_expr_type (current_stmt_tree ()->x_last_expr_type) 305 306/* The name of the last file we have seen. */ 307 308#define last_expr_filename (current_stmt_tree ()->x_last_expr_filename) 309 310/* LAST_TREE contains the last statement parsed. These are chained 311 together through the TREE_CHAIN field, but often need to be 312 re-organized since the parse is performed bottom-up. This macro 313 makes LAST_TREE the indicated SUBSTMT of STMT. */ 314 315#define RECHAIN_STMTS(stmt, substmt) \ 316 do { \ 317 substmt = TREE_CHAIN (stmt); \ 318 TREE_CHAIN (stmt) = NULL_TREE; \ 319 last_tree = stmt; \ 320 } while (0) 321 | |
322/* Language-specific hooks. */ 323 | 281/* Language-specific hooks. */ 282 |
324extern void (*lang_expand_stmt) (tree); 325extern void (*lang_expand_decl_stmt) (tree); 326extern void (*lang_expand_function_end) (void); 327 | |
328/* Callback that determines if it's ok for a function to have no 329 noreturn attribute. */ 330extern int (*lang_missing_noreturn_ok_p) (tree); 331 | 283/* Callback that determines if it's ok for a function to have no 284 noreturn attribute. */ 285extern int (*lang_missing_noreturn_ok_p) (tree); 286 |
332extern int yyparse (void); | 287/* If non-NULL, this function is called after a precompile header file 288 is loaded. */ 289extern void (*lang_post_pch_load) (void); 290 291extern void push_file_scope (void); 292extern void pop_file_scope (void); |
333extern stmt_tree current_stmt_tree (void); | 293extern stmt_tree current_stmt_tree (void); |
334extern tree *current_scope_stmt_stack (void); 335extern void begin_stmt_tree (tree *); | 294extern tree push_stmt_list (void); 295extern tree pop_stmt_list (tree); |
336extern tree add_stmt (tree); | 296extern tree add_stmt (tree); |
337extern void add_decl_stmt (tree); 338extern tree add_scope_stmt (int, int); 339extern void finish_stmt_tree (tree *); | 297extern void push_cleanup (tree, tree, bool); 298extern tree pushdecl_top_level (tree); 299extern tree pushdecl (tree); 300extern tree build_modify_expr (tree, enum tree_code, tree); 301extern tree build_indirect_ref (tree, const char *); |
340 | 302 |
341extern tree walk_stmt_tree (tree *, walk_tree_fn, void *); 342extern void prep_stmt (tree); 343extern void expand_stmt (tree); 344extern tree c_begin_if_stmt (void); 345extern tree c_begin_while_stmt (void); 346extern void c_finish_while_stmt_cond (tree, tree); | 303extern int c_expand_decl (tree); |
347 348extern int field_decl_cmp (const void *, const void *); | 304 305extern int field_decl_cmp (const void *, const void *); |
349extern void resort_sorted_fields (void *, void *, gt_pointer_operator, 350 void *); | 306extern void resort_sorted_fields (void *, void *, gt_pointer_operator, 307 void *); 308extern bool has_c_linkage (tree decl); |
351 352/* Switches common to the C front ends. */ 353 354/* Nonzero if prepreprocessing only. */ 355 356extern int flag_preprocess_only; 357 358/* Zero means that faster, ...NonNil variants of objc_msgSend... 359 calls will be used in ObjC; passing nil receivers to such calls 360 will most likely result in crashes. */ 361extern int flag_nil_receivers; 362 363/* Nonzero means that we will allow new ObjC exception syntax (@throw, 364 @try, etc.) in source code. */ 365extern int flag_objc_exceptions; 366 | 309 310/* Switches common to the C front ends. */ 311 312/* Nonzero if prepreprocessing only. */ 313 314extern int flag_preprocess_only; 315 316/* Zero means that faster, ...NonNil variants of objc_msgSend... 317 calls will be used in ObjC; passing nil receivers to such calls 318 will most likely result in crashes. */ 319extern int flag_nil_receivers; 320 321/* Nonzero means that we will allow new ObjC exception syntax (@throw, 322 @try, etc.) in source code. */ 323extern int flag_objc_exceptions; 324 |
325/* Nonzero means that we generate NeXT setjmp based exceptions. */ 326extern int flag_objc_sjlj_exceptions; 327 |
|
367/* Nonzero means that code generation will be altered to support 368 "zero-link" execution. This currently affects ObjC only, but may 369 affect other languages in the future. */ 370extern int flag_zero_link; 371 372/* Nonzero means emit an '__OBJC, __image_info' for the current translation 373 unit. It will inform the ObjC runtime that class definition(s) herein 374 contained are to replace one(s) previously loaded. */ --- 12 unchanged lines hidden (view full) --- 387 'N' of the command line switch. */ 388 389extern char flag_dump_macros; 390 391/* Nonzero means pass #include lines through to the output. */ 392 393extern char flag_dump_includes; 394 | 328/* Nonzero means that code generation will be altered to support 329 "zero-link" execution. This currently affects ObjC only, but may 330 affect other languages in the future. */ 331extern int flag_zero_link; 332 333/* Nonzero means emit an '__OBJC, __image_info' for the current translation 334 unit. It will inform the ObjC runtime that class definition(s) herein 335 contained are to replace one(s) previously loaded. */ --- 12 unchanged lines hidden (view full) --- 348 'N' of the command line switch. */ 349 350extern char flag_dump_macros; 351 352/* Nonzero means pass #include lines through to the output. */ 353 354extern char flag_dump_includes; 355 |
356/* Nonzero means process PCH files while preprocessing. */ 357 358extern bool flag_pch_preprocess; 359 |
|
395/* The file name to which we should write a precompiled header, or 396 NULL if no header will be written in this compile. */ 397 398extern const char *pch_file; 399 400/* Nonzero if an ISO standard was selected. It rejects macros in the 401 user's namespace. */ 402 --- 31 unchanged lines hidden (view full) --- 434/* Nonzero means give string constants the type `const char *', as mandated 435 by the standard. */ 436 437extern int flag_const_strings; 438 439/* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ 440 441extern int flag_signed_bitfields; | 360/* The file name to which we should write a precompiled header, or 361 NULL if no header will be written in this compile. */ 362 363extern const char *pch_file; 364 365/* Nonzero if an ISO standard was selected. It rejects macros in the 366 user's namespace. */ 367 --- 31 unchanged lines hidden (view full) --- 399/* Nonzero means give string constants the type `const char *', as mandated 400 by the standard. */ 401 402extern int flag_const_strings; 403 404/* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ 405 406extern int flag_signed_bitfields; |
442extern int explicit_flag_signed_bitfields; | |
443 | 407 |
444/* Nonzero means warn about pointer casts that can drop a type qualifier 445 from the pointer target type. */ | 408/* Warn about #pragma directives that are not recognized. */ |
446 | 409 |
447extern int warn_cast_qual; | 410extern int warn_unknown_pragmas; /* Tri state variable. */ |
448 | 411 |
449/* Warn about functions which might be candidates for format attributes. */ 450 451extern int warn_missing_format_attribute; 452 453/* Nonzero means do not warn that K&R style main() is not a function prototype. */ 454extern int flag_bsd_no_warn_kr_main; 455 456/* Nonzero means warn about sizeof(function) or addition/subtraction 457 of function pointers. */ 458 459extern int warn_pointer_arith; 460 461/* Nonzero means warn for any global function def 462 without separate previous prototype decl. */ 463 464extern int warn_missing_prototypes; 465 466/* Warn if adding () is suggested. */ 467 468extern int warn_parentheses; 469 470/* Warn if initializer is not completely bracketed. */ 471 472extern int warn_missing_braces; 473 474/* Warn about comparison of signed and unsigned values. 475 If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified. */ 476 477extern int warn_sign_compare; 478 479/* Nonzero means warn about usage of long long when `-pedantic'. */ 480 481extern int warn_long_long; 482 483/* Nonzero means warn about deprecated conversion from string constant to 484 `char *'. */ 485 486extern int warn_write_strings; 487 488/* Nonzero means warn about multiple (redundant) decls for the same single 489 variable or function. */ 490 491extern int warn_redundant_decls; 492 493/* Warn about testing equality of floating point numbers. */ 494 495extern int warn_float_equal; 496 497/* Warn about a subscript that has type char. */ 498 499extern int warn_char_subscripts; 500 501/* Warn if a type conversion is done that might have confusing results. */ 502 503extern int warn_conversion; 504 505/* Warn about #pragma directives that are not recognized. */ 506 507extern int warn_unknown_pragmas; /* Tri state variable. */ 508 | |
509/* Warn about format/argument anomalies in calls to formatted I/O functions 510 (*printf, *scanf, strftime, strfmon, etc.). */ 511 512extern int warn_format; 513 | 412/* Warn about format/argument anomalies in calls to formatted I/O functions 413 (*printf, *scanf, strftime, strfmon, etc.). */ 414 415extern int warn_format; 416 |
514/* Warn about Y2K problems with strftime formats. */ | |
515 | 417 |
516extern int warn_format_y2k; 517 518/* Warn about excess arguments to formats. */ 519 520extern int warn_format_extra_args; 521 522/* Warn about zero-length formats. */ 523 524extern int warn_format_zero_length; 525 526/* Warn about non-literal format arguments. */ 527 528extern int warn_format_nonliteral; 529 530/* Warn about possible security problems with calls to format functions. */ 531 532extern int warn_format_security; 533 534 | |
535/* C/ObjC language option variables. */ 536 537 | 418/* C/ObjC language option variables. */ 419 420 |
538/* Nonzero means message about use of implicit function declarations; 539 1 means warning; 2 means error. */ 540 541extern int mesg_implicit_function_declaration; 542 | |
543/* Nonzero means allow type mismatches in conditional expressions; 544 just make their values `void'. */ 545 546extern int flag_cond_mismatch; 547 548/* Nonzero means enable C89 Amendment 1 features. */ 549 550extern int flag_isoc94; 551 552/* Nonzero means use the ISO C99 dialect of C. */ 553 554extern int flag_isoc99; 555 | 421/* Nonzero means allow type mismatches in conditional expressions; 422 just make their values `void'. */ 423 424extern int flag_cond_mismatch; 425 426/* Nonzero means enable C89 Amendment 1 features. */ 427 428extern int flag_isoc94; 429 430/* Nonzero means use the ISO C99 dialect of C. */ 431 432extern int flag_isoc99; 433 |
556/* Nonzero means allow the BSD kernel printf enhancments. */ 557 558extern int flag_bsd_format; 559 | |
560/* Nonzero means that we have builtin functions, and main is an int. */ 561 562extern int flag_hosted; 563 | 434/* Nonzero means that we have builtin functions, and main is an int. */ 435 436extern int flag_hosted; 437 |
564/* Nonzero means warn when casting a function call to a type that does 565 not match the return type (e.g. (float)sqrt() or (anything*)malloc() 566 when there is no previous declaration of sqrt or malloc. */ 567 568extern int warn_bad_function_cast; 569 570/* Warn about traditional constructs whose meanings changed in ANSI C. */ 571 572extern int warn_traditional; 573 574/* Nonzero means warn for a declaration found after a statement. */ 575 576extern int warn_declaration_after_statement; 577 578/* Nonzero means warn for non-prototype function decls 579 or non-prototyped defs without previous prototype. */ 580 581extern int warn_strict_prototypes; 582 583/* Nonzero means warn for any global function def 584 without separate previous decl. */ 585 586extern int warn_missing_declarations; 587 588/* Nonzero means warn about extern declarations of objects not at 589 file-scope level and about *all* declarations of functions (whether 590 extern or static) not at file-scope level. Note that we exclude 591 implicit function declarations. To get warnings about those, use 592 -Wimplicit. */ 593 594extern int warn_nested_externs; 595 | |
596/* Warn if main is suspicious. */ 597 598extern int warn_main; 599 | 438/* Warn if main is suspicious. */ 439 440extern int warn_main; 441 |
600/* Nonzero means warn about possible violations of sequence point rules. */ | |
601 | 442 |
602extern int warn_sequence_point; 603 604/* Nonzero means warn about uninitialized variable when it is initialized with itself. 605 For example: int i = i;, GCC will not warn about this when warn_init_self is nonzero. */ 606 607extern int warn_init_self; 608 609 610/* Nonzero means to warn about compile-time division by zero. */ 611extern int warn_div_by_zero; 612 613/* Nonzero means warn about use of implicit int. */ 614 615extern int warn_implicit_int; 616 617/* Warn about NULL being passed to argument slots marked as requiring 618 non-NULL. */ 619 620extern int warn_nonnull; 621 622/* Warn about old-style parameter declaration. */ 623 624extern int warn_old_style_definition; 625 626 | |
627/* ObjC language option variables. */ 628 629 630/* Open and close the file for outputting class declarations, if 631 requested (ObjC). */ 632 633extern int flag_gen_declaration; 634 | 443/* ObjC language option variables. */ 444 445 446/* Open and close the file for outputting class declarations, if 447 requested (ObjC). */ 448 449extern int flag_gen_declaration; 450 |
635/* Generate code for GNU or NeXT runtime environment. */ 636 637extern int flag_next_runtime; 638 | |
639/* Tells the compiler that this is a special run. Do not perform any 640 compiling, instead we are to test some platform dependent features 641 and output a C header file with appropriate definitions. */ 642 643extern int print_struct_values; 644 645/* ???. Undocumented. */ 646 647extern const char *constant_string_class_name; 648 | 451/* Tells the compiler that this is a special run. Do not perform any 452 compiling, instead we are to test some platform dependent features 453 and output a C header file with appropriate definitions. */ 454 455extern int print_struct_values; 456 457/* ???. Undocumented. */ 458 459extern const char *constant_string_class_name; 460 |
649/* Warn if multiple methods are seen for the same selector, but with 650 different argument types. Performs the check on the whole selector 651 table at the end of compilation. */ | |
652 | 461 |
653extern int warn_selector; 654 655/* Warn if a @selector() is found, and no method with that selector 656 has been previously declared. The check is done on each 657 @selector() as soon as it is found - so it warns about forward 658 declarations. */ 659 660extern int warn_undeclared_selector; 661 662/* Warn if methods required by a protocol are not implemented in the 663 class adopting it. When turned off, methods inherited to that 664 class are also considered implemented. */ 665 666extern int warn_protocol; 667 668 | |
669/* C++ language option variables. */ 670 671 672/* Nonzero means don't recognize any extension keywords. */ 673 674extern int flag_no_gnu_keywords; 675 676/* Nonzero means do emit exported implementations of functions even if --- 73 unchanged lines hidden (view full) --- 750 751extern int flag_working_directory; 752 753/* Nonzero to use __cxa_atexit, rather than atexit, to register 754 destructors for local statics and global objects. */ 755 756extern int flag_use_cxa_atexit; 757 | 462/* C++ language option variables. */ 463 464 465/* Nonzero means don't recognize any extension keywords. */ 466 467extern int flag_no_gnu_keywords; 468 469/* Nonzero means do emit exported implementations of functions even if --- 73 unchanged lines hidden (view full) --- 543 544extern int flag_working_directory; 545 546/* Nonzero to use __cxa_atexit, rather than atexit, to register 547 destructors for local statics and global objects. */ 548 549extern int flag_use_cxa_atexit; 550 |
551/* Nonzero to use __cxa_get_exception_ptr in the C++ exception-handling 552 logic. */ 553 554extern int flag_use_cxa_get_exception_ptr; 555 |
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758/* Nonzero means make the default pedwarns warnings instead of errors. 759 The value of this flag is ignored if -pedantic is specified. */ 760 761extern int flag_permissive; 762 763/* Nonzero means to implement standard semantics for exception 764 specifications, calling unexpected if an exception is thrown that 765 doesn't match the specification. Zero means to treat them as 766 assertions and optimize accordingly, but not check them. */ 767 768extern int flag_enforce_eh_specs; 769 | 556/* Nonzero means make the default pedwarns warnings instead of errors. 557 The value of this flag is ignored if -pedantic is specified. */ 558 559extern int flag_permissive; 560 561/* Nonzero means to implement standard semantics for exception 562 specifications, calling unexpected if an exception is thrown that 563 doesn't match the specification. Zero means to treat them as 564 assertions and optimize accordingly, but not check them. */ 565 566extern int flag_enforce_eh_specs; 567 |
770/* Nonzero means warn about things that will change when compiling 771 with an ABI-compliant compiler. */ | 568/* Nonzero (the default) means to generate thread-safe code for 569 initializing local statics. */ |
772 | 570 |
773extern int warn_abi; | 571extern int flag_threadsafe_statics; |
774 | 572 |
775/* Nonzero means warn about invalid uses of offsetof. */ 776 777extern int warn_invalid_offsetof; 778 | |
779/* Nonzero means warn about implicit declarations. */ 780 781extern int warn_implicit; 782 | 573/* Nonzero means warn about implicit declarations. */ 574 575extern int warn_implicit; 576 |
783/* Nonzero means warn when all ctors or dtors are private, and the class 784 has no friends. */ | 577/* Warn about using __null (as NULL in C++) as sentinel. For code compiled 578 with GCC this doesn't matter as __null is guaranteed to have the right 579 size. */ |
785 | 580 |
786extern int warn_ctor_dtor_privacy; | 581extern int warn_strict_null_sentinel; |
787 | 582 |
788/* Nonzero means warn in function declared in derived class has the 789 same name as a virtual in the base class, but fails to match the 790 type signature of any virtual function in the base class. */ 791 792extern int warn_overloaded_virtual; 793 794/* Nonzero means warn when declaring a class that has a non virtual 795 destructor, when it really ought to have a virtual one. */ 796 797extern int warn_nonvdtor; 798 799/* Nonzero means warn when the compiler will reorder code. */ 800 801extern int warn_reorder; 802 803/* Nonzero means warn when synthesis behavior differs from Cfront's. */ 804 805extern int warn_synth; 806 807/* Nonzero means warn when we convert a pointer to member function 808 into a pointer to (void or function). */ 809 810extern int warn_pmf2ptr; 811 812/* Nonzero means warn about violation of some Effective C++ style rules. */ 813 814extern int warn_ecpp; 815 816/* Nonzero means warn where overload resolution chooses a promotion from 817 unsigned to signed over a conversion to an unsigned of the same size. */ 818 819extern int warn_sign_promo; 820 821/* Nonzero means warn when an old-style cast is used. */ 822 823extern int warn_old_style_cast; 824 825/* Nonzero means warn when non-templatized friend functions are 826 declared within a template */ 827 828extern int warn_nontemplate_friend; 829 830/* Nonzero means complain about deprecated features. */ 831 832extern int warn_deprecated; 833 | |
834/* Maximum template instantiation depth. This limit is rather 835 arbitrary, but it exists to limit the time it takes to notice 836 infinite template instantiations. */ 837 838extern int max_tinst_depth; 839 840/* Nonzero means the expression being parsed will never be evaluated. 841 This is a count, since unevaluated expressions can nest. */ --- 11 unchanged lines hidden (view full) --- 853#define C_TYPE_FUNCTION_P(type) \ 854 (TREE_CODE (type) == FUNCTION_TYPE) 855 856/* For convenience we define a single macro to identify the class of 857 object or incomplete types. */ 858#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ 859 (!C_TYPE_FUNCTION_P (type)) 860 | 583/* Maximum template instantiation depth. This limit is rather 584 arbitrary, but it exists to limit the time it takes to notice 585 infinite template instantiations. */ 586 587extern int max_tinst_depth; 588 589/* Nonzero means the expression being parsed will never be evaluated. 590 This is a count, since unevaluated expressions can nest. */ --- 11 unchanged lines hidden (view full) --- 602#define C_TYPE_FUNCTION_P(type) \ 603 (TREE_CODE (type) == FUNCTION_TYPE) 604 605/* For convenience we define a single macro to identify the class of 606 object or incomplete types. */ 607#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ 608 (!C_TYPE_FUNCTION_P (type)) 609 |
861/* Record in each node resulting from a binary operator 862 what operator was specified for it. */ 863#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp)) 864 | |
865/* Attribute table common to the C front ends. */ 866extern const struct attribute_spec c_common_attribute_table[]; 867extern const struct attribute_spec c_common_format_attribute_table[]; 868 869/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. 870 ID is the identifier to use, NAME is the string. 871 TYPE_DEP indicates whether it depends on type of the function or not 872 (i.e. __PRETTY_FUNCTION__). */ 873 874extern tree (*make_fname_decl) (tree, int); 875 876extern tree identifier_global_value (tree); 877extern void record_builtin_type (enum rid, const char *, tree); 878extern tree build_void_list_node (void); 879extern void start_fname_decls (void); 880extern void finish_fname_decls (void); 881extern const char *fname_as_string (int); 882extern tree fname_decl (unsigned, tree); 883 | 610/* Attribute table common to the C front ends. */ 611extern const struct attribute_spec c_common_attribute_table[]; 612extern const struct attribute_spec c_common_format_attribute_table[]; 613 614/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. 615 ID is the identifier to use, NAME is the string. 616 TYPE_DEP indicates whether it depends on type of the function or not 617 (i.e. __PRETTY_FUNCTION__). */ 618 619extern tree (*make_fname_decl) (tree, int); 620 621extern tree identifier_global_value (tree); 622extern void record_builtin_type (enum rid, const char *, tree); 623extern tree build_void_list_node (void); 624extern void start_fname_decls (void); 625extern void finish_fname_decls (void); 626extern const char *fname_as_string (int); 627extern tree fname_decl (unsigned, tree); 628 |
884extern void check_function_arguments (tree, tree); | 629extern void check_function_arguments (tree, tree, tree); |
885extern void check_function_arguments_recurse (void (*) 886 (void *, tree, 887 unsigned HOST_WIDE_INT), 888 void *, tree, 889 unsigned HOST_WIDE_INT); | 630extern void check_function_arguments_recurse (void (*) 631 (void *, tree, 632 unsigned HOST_WIDE_INT), 633 void *, tree, 634 unsigned HOST_WIDE_INT); |
890extern void check_function_format (int *, tree, tree); | 635extern void check_function_format (tree, tree); |
891extern void set_Wformat (int); 892extern tree handle_format_attribute (tree *, tree, tree, int, bool *); 893extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); 894extern int c_common_handle_option (size_t code, const char *arg, int value); 895extern bool c_common_missing_argument (const char *opt, size_t code); 896extern tree c_common_type_for_mode (enum machine_mode, int); 897extern tree c_common_type_for_size (unsigned int, int); 898extern tree c_common_unsigned_type (tree); 899extern tree c_common_signed_type (tree); 900extern tree c_common_signed_or_unsigned_type (int, tree); | 636extern void set_Wformat (int); 637extern tree handle_format_attribute (tree *, tree, tree, int, bool *); 638extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); 639extern int c_common_handle_option (size_t code, const char *arg, int value); 640extern bool c_common_missing_argument (const char *opt, size_t code); 641extern tree c_common_type_for_mode (enum machine_mode, int); 642extern tree c_common_type_for_size (unsigned int, int); 643extern tree c_common_unsigned_type (tree); 644extern tree c_common_signed_type (tree); 645extern tree c_common_signed_or_unsigned_type (int, tree); |
646extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
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901extern tree c_common_truthvalue_conversion (tree); 902extern void c_apply_type_quals_to_decl (int, tree); | 647extern tree c_common_truthvalue_conversion (tree); 648extern void c_apply_type_quals_to_decl (int, tree); |
903extern tree c_sizeof_or_alignof_type (tree, enum tree_code, int); | 649extern tree c_sizeof_or_alignof_type (tree, bool, int); |
904extern tree c_alignof_expr (tree); 905/* Print an error message for invalid operands to arith operation CODE. 906 NOP_EXPR is used as a special case (see truthvalue_conversion). */ 907extern void binary_op_error (enum tree_code); | 650extern tree c_alignof_expr (tree); 651/* Print an error message for invalid operands to arith operation CODE. 652 NOP_EXPR is used as a special case (see truthvalue_conversion). */ 653extern void binary_op_error (enum tree_code); |
908#define my_friendly_assert(EXP, N) (void) \ 909 (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0) 910 911extern tree c_expand_expr_stmt (tree); 912extern void c_expand_start_cond (tree, int, tree); 913extern void c_finish_then (void); 914extern void c_expand_start_else (void); 915extern void c_finish_else (void); 916extern void c_expand_end_cond (void); 917/* Validate the expression after `case' and apply default promotions. */ 918extern tree check_case_value (tree); | |
919extern tree fix_string_type (tree); 920struct varray_head_tag; 921extern void constant_expression_warning (tree); | 654extern tree fix_string_type (tree); 655struct varray_head_tag; 656extern void constant_expression_warning (tree); |
657extern void strict_aliasing_warning(tree, tree, tree); 658extern void empty_body_warning (tree, tree); |
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922extern tree convert_and_check (tree, tree); 923extern void overflow_warning (tree); | 659extern tree convert_and_check (tree, tree); 660extern void overflow_warning (tree); |
924extern void unsigned_conversion_warning (tree, tree); | 661extern bool c_determine_visibility (tree); 662extern bool same_scalar_type_ignoring_signedness (tree, tree); |
925 | 663 |
926/* Read the rest of the current #-directive line. */ 927extern char *get_directive_line (void); 928#define GET_DIRECTIVE_LINE() get_directive_line () 929#define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1) 930#define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1) | 664#define c_sizeof(T) c_sizeof_or_alignof_type (T, true, 1) 665#define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1) |
931 932/* Subroutine of build_binary_op, used for comparison operations. 933 See if the operands have both been converted from subword integer types 934 and, if so, perhaps change them both back to their original type. */ 935extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); 936 937extern tree pointer_int_sum (enum tree_code, tree, tree); 938extern unsigned int min_precision (tree, int); 939 940/* Add qualifiers to a type, in the fashion for C. */ 941extern tree c_build_qualified_type (tree, int); 942 943/* Build tree nodes and builtin functions common to both C and C++ language 944 frontends. */ 945extern void c_common_nodes_and_builtins (void); 946 | 666 667/* Subroutine of build_binary_op, used for comparison operations. 668 See if the operands have both been converted from subword integer types 669 and, if so, perhaps change them both back to their original type. */ 670extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); 671 672extern tree pointer_int_sum (enum tree_code, tree, tree); 673extern unsigned int min_precision (tree, int); 674 675/* Add qualifiers to a type, in the fashion for C. */ 676extern tree c_build_qualified_type (tree, int); 677 678/* Build tree nodes and builtin functions common to both C and C++ language 679 frontends. */ 680extern void c_common_nodes_and_builtins (void); 681 |
682extern void set_builtin_user_assembler_name (tree decl, const char *asmspec); 683 |
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947extern void disable_builtin_function (const char *); 948 | 684extern void disable_builtin_function (const char *); 685 |
686extern void set_compound_literal_name (tree decl); 687 |
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949extern tree build_va_arg (tree, tree); 950 951extern unsigned int c_common_init_options (unsigned int, const char **); 952extern bool c_common_post_options (const char **); 953extern bool c_common_init (void); 954extern void c_common_finish (void); 955extern void c_common_parse_file (int); 956extern HOST_WIDE_INT c_common_get_alias_set (tree); 957extern void c_register_builtin_type (tree, const char*); 958extern bool c_promoting_integer_type_p (tree); 959extern int self_promoting_args_p (tree); 960extern tree strip_array_types (tree); 961extern tree strip_pointer_operator (tree); | 688extern tree build_va_arg (tree, tree); 689 690extern unsigned int c_common_init_options (unsigned int, const char **); 691extern bool c_common_post_options (const char **); 692extern bool c_common_init (void); 693extern void c_common_finish (void); 694extern void c_common_parse_file (int); 695extern HOST_WIDE_INT c_common_get_alias_set (tree); 696extern void c_register_builtin_type (tree, const char*); 697extern bool c_promoting_integer_type_p (tree); 698extern int self_promoting_args_p (tree); 699extern tree strip_array_types (tree); 700extern tree strip_pointer_operator (tree); |
701extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
|
962 | 702 |
963/* This function resets the parsers' state in preparation for parsing 964 a new file. */ 965extern void c_reset_state (void); | |
966/* This is the basic parsing function. */ 967extern void c_parse_file (void); 968/* This is misnamed, it actually performs end-of-compilation processing. */ 969extern void finish_file (void); 970 | 703/* This is the basic parsing function. */ 704extern void c_parse_file (void); 705/* This is misnamed, it actually performs end-of-compilation processing. */ 706extern void finish_file (void); 707 |
708 |
|
971/* These macros provide convenient access to the various _STMT nodes. */ 972 | 709/* These macros provide convenient access to the various _STMT nodes. */ 710 |
973/* Nonzero if this statement should be considered a full-expression, 974 i.e., if temporaries created during this statement should have 975 their destructors run at the end of this statement. (In C, this 976 will always be false, since there are no destructors.) */ 977#define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE)) | 711/* Nonzero if a given STATEMENT_LIST represents the outermost binding 712 if a statement expression. */ 713#define STATEMENT_LIST_STMT_EXPR(NODE) \ 714 TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) |
978 | 715 |
979/* IF_STMT accessors. These give access to the condition of the if 980 statement, the then block of the if statement, and the else block 981 of the if statement if it exists. */ 982#define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0) 983#define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1) 984#define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2) | 716/* Nonzero if a label has been added to the statement list. */ 717#define STATEMENT_LIST_HAS_LABEL(NODE) \ 718 TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) |
985 | 719 |
986/* WHILE_STMT accessors. These give access to the condition of the 987 while statement and the body of the while statement, respectively. */ 988#define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0) 989#define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1) 990 991/* DO_STMT accessors. These give access to the condition of the do 992 statement and the body of the do statement, respectively. */ 993#define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0) 994#define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1) 995 996/* RETURN_STMT accessors. These give the expression associated with a 997 return statement, and whether it should be ignored when expanding 998 (as opposed to inlining). */ 999#define RETURN_STMT_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0) 1000 1001/* EXPR_STMT accessor. This gives the expression associated with an 1002 expression statement. */ 1003#define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0) 1004 1005/* FOR_STMT accessors. These give access to the init statement, 1006 condition, update expression, and body of the for statement, 1007 respectively. */ 1008#define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0) 1009#define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1) 1010#define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2) 1011#define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3) 1012 1013/* SWITCH_STMT accessors. These give access to the condition, body and 1014 original condition type (before any compiler conversions) 1015 of the switch statement, respectively. */ 1016#define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0) 1017#define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1) 1018#define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2) 1019 1020/* CASE_LABEL accessors. These give access to the high and low values 1021 of a case label, respectively. */ 1022#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0) 1023#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1) 1024#define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2) 1025 1026/* GOTO_STMT accessor. This gives access to the label associated with 1027 a goto statement. */ 1028#define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0) 1029/* True for goto created artificially by the compiler. */ 1030#define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE))) 1031 1032/* COMPOUND_STMT accessor. This gives access to the TREE_LIST of 1033 statements associated with a compound statement. The result is the 1034 first statement in the list. Succeeding nodes can be accessed by 1035 calling TREE_CHAIN on a node in the list. */ 1036#define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0) 1037 1038/* ASM_STMT accessors. ASM_STRING returns a STRING_CST for the 1039 instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and 1040 ASM_CLOBBERS represent the outputs, inputs, and clobbers for the 1041 statement. */ 1042#define ASM_CV_QUAL(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 0) 1043#define ASM_STRING(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 1) 1044#define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 2) 1045#define ASM_INPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 3) 1046#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4) 1047 1048/* DECL_STMT accessor. This gives access to the DECL associated with 1049 the given declaration statement. */ 1050#define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0) 1051 1052/* STMT_EXPR accessor. */ 1053#define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) 1054 1055/* Nonzero if this statement-expression does not have an associated scope. */ 1056#define STMT_EXPR_NO_SCOPE(NODE) \ 1057 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE)) 1058 1059/* Nonzero if this statement-expression should cause warning if its result 1060 is not used. */ 1061#define STMT_EXPR_WARN_UNUSED_RESULT(NODE) \ 1062 TREE_LANG_FLAG_3 (STMT_EXPR_CHECK (NODE)) 1063 1064/* LABEL_STMT accessor. This gives access to the label associated with 1065 the given label statement. */ 1066#define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0) 1067 | |
1068/* COMPOUND_LITERAL_EXPR accessors. */ 1069#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ 1070 TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) 1071#define COMPOUND_LITERAL_EXPR_DECL(NODE) \ | 720/* COMPOUND_LITERAL_EXPR accessors. */ 721#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ 722 TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) 723#define COMPOUND_LITERAL_EXPR_DECL(NODE) \ |
1072 DECL_STMT_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) | 724 DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) |
1073 | 725 |
1074/* Nonzero if this SCOPE_STMT is for the beginning of a scope. */ 1075#define SCOPE_BEGIN_P(NODE) \ 1076 (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE))) 1077 1078/* Nonzero if this SCOPE_STMT is for the end of a scope. */ 1079#define SCOPE_END_P(NODE) \ 1080 (!SCOPE_BEGIN_P (SCOPE_STMT_CHECK (NODE))) 1081 1082/* The BLOCK containing the declarations contained in this scope. */ 1083#define SCOPE_STMT_BLOCK(NODE) \ 1084 (TREE_OPERAND (SCOPE_STMT_CHECK (NODE), 0)) 1085 1086/* Nonzero for a SCOPE_STMT if there were no variables in this scope. */ 1087#define SCOPE_NULLIFIED_P(NODE) \ 1088 (SCOPE_STMT_BLOCK ((NODE)) == NULL_TREE) 1089 1090/* Nonzero for a SCOPE_STMT which represents a lexical scope, but 1091 which should be treated as non-existent from the point of view of 1092 running cleanup actions. */ 1093#define SCOPE_NO_CLEANUPS_P(NODE) \ 1094 (TREE_LANG_FLAG_3 (SCOPE_STMT_CHECK (NODE))) 1095 1096/* Nonzero for a SCOPE_STMT if this statement is for a partial scope. 1097 For example, in: 1098 1099 S s; 1100 l: 1101 S s2; 1102 goto l; 1103 1104 there is (implicitly) a new scope after `l', even though there are 1105 no curly braces. In particular, when we hit the goto, we must 1106 destroy s2 and then re-construct it. For the implicit scope, 1107 SCOPE_PARTIAL_P will be set. */ 1108#define SCOPE_PARTIAL_P(NODE) \ 1109 (TREE_LANG_FLAG_4 (SCOPE_STMT_CHECK (NODE))) 1110 1111/* Nonzero for an ASM_STMT if the assembly statement is volatile. */ 1112#define ASM_VOLATILE_P(NODE) \ 1113 (ASM_CV_QUAL (ASM_STMT_CHECK (NODE)) != NULL_TREE) 1114 1115/* The VAR_DECL to clean up in a CLEANUP_STMT. */ 1116#define CLEANUP_DECL(NODE) \ 1117 TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0) 1118/* The cleanup to run in a CLEANUP_STMT. */ 1119#define CLEANUP_EXPR(NODE) \ 1120 TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1) 1121 1122/* The filename we are changing to as of this FILE_STMT. */ 1123#define FILE_STMT_FILENAME_NODE(NODE) \ 1124 (TREE_OPERAND (FILE_STMT_CHECK (NODE), 0)) 1125#define FILE_STMT_FILENAME(NODE) \ 1126 (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE))) 1127 1128/* The line-number at which a statement began. But if 1129 STMT_LINENO_FOR_FN_P does holds, then this macro gives the 1130 line number for the end of the current function instead. */ 1131#define STMT_LINENO(NODE) \ 1132 (TREE_COMPLEXITY ((NODE))) 1133 1134/* If nonzero, the STMT_LINENO for NODE is the line at which the 1135 function ended. */ 1136#define STMT_LINENO_FOR_FN_P(NODE) \ 1137 (TREE_LANG_FLAG_2 ((NODE))) 1138 1139/* Nonzero if we want the new ISO rules for pushing a new scope for `for' 1140 initialization variables. */ 1141#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE)) 1142 1143/* Nonzero if we want to create an ASM_INPUT instead of an 1144 ASM_OPERAND with no operands. */ 1145#define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE)) 1146 | |
1147#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, 1148 1149enum c_tree_code { 1150 C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, 1151#include "c-common.def" 1152 LAST_C_TREE_CODE 1153}; 1154 1155#undef DEFTREECODE 1156 | 726#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, 727 728enum c_tree_code { 729 C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, 730#include "c-common.def" 731 LAST_C_TREE_CODE 732}; 733 734#undef DEFTREECODE 735 |
1157#define c_common_stmt_codes \ 1158 CLEANUP_STMT, EXPR_STMT, COMPOUND_STMT, \ 1159 DECL_STMT, IF_STMT, FOR_STMT, \ 1160 WHILE_STMT, DO_STMT, RETURN_STMT, \ 1161 BREAK_STMT, CONTINUE_STMT, SCOPE_STMT, \ 1162 SWITCH_STMT, GOTO_STMT, LABEL_STMT, \ 1163 ASM_STMT, FILE_STMT, CASE_LABEL 1164 1165/* TRUE if a code represents a statement. The front end init 1166 langhook should take care of initialization of this array. */ 1167extern bool statement_code_p[MAX_TREE_CODES]; 1168 1169#define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)] 1170 1171#define INIT_STATEMENT_CODES(STMT_CODES) \ 1172 do { \ 1173 unsigned int i; \ 1174 memset (&statement_code_p, 0, sizeof (statement_code_p)); \ 1175 for (i = 0; i < ARRAY_SIZE (STMT_CODES); i++) \ 1176 statement_code_p[STMT_CODES[i]] = true; \ 1177 } while (0) 1178 1179extern void genrtl_do_pushlevel (void); 1180extern void genrtl_goto_stmt (tree); 1181extern void genrtl_expr_stmt (tree); 1182extern void genrtl_expr_stmt_value (tree, int, int); 1183extern void genrtl_decl_stmt (tree); 1184extern void genrtl_if_stmt (tree); 1185extern void genrtl_while_stmt (tree); 1186extern void genrtl_do_stmt (tree); 1187extern void genrtl_return_stmt (tree); 1188extern void genrtl_for_stmt (tree); 1189extern void genrtl_break_stmt (void); 1190extern void genrtl_continue_stmt (void); 1191extern void genrtl_scope_stmt (tree); 1192extern void genrtl_switch_stmt (tree); 1193extern void genrtl_case_label (tree); 1194extern void genrtl_compound_stmt (tree); 1195extern void genrtl_asm_stmt (tree, tree, tree, tree, tree, int); 1196extern void genrtl_cleanup_stmt (tree); 1197extern int stmts_are_full_exprs_p (void); | |
1198extern int anon_aggr_type_p (tree); 1199 1200/* For a VAR_DECL that is an anonymous union, these are the various 1201 sub-variables that make up the anonymous union. */ 1202#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) 1203 1204/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ 1205#define DECL_C_BIT_FIELD(NODE) \ 1206 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) 1207#define SET_DECL_C_BIT_FIELD(NODE) \ 1208 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) 1209#define CLEAR_DECL_C_BIT_FIELD(NODE) \ 1210 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) 1211 | 736extern int anon_aggr_type_p (tree); 737 738/* For a VAR_DECL that is an anonymous union, these are the various 739 sub-variables that make up the anonymous union. */ 740#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) 741 742/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ 743#define DECL_C_BIT_FIELD(NODE) \ 744 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) 745#define SET_DECL_C_BIT_FIELD(NODE) \ 746 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) 747#define CLEAR_DECL_C_BIT_FIELD(NODE) \ 748 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) 749 |
1212/* In a VAR_DECL, nonzero if the decl is a register variable with 1213 an explicit asm specification. */ 1214#define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL)) 1215 | |
1216extern void emit_local_var (tree); | 750extern void emit_local_var (tree); |
1217extern void make_rtl_for_local_static (tree); 1218extern tree expand_cond (tree); 1219extern tree c_expand_return (tree); | |
1220extern tree do_case (tree, tree); 1221extern tree build_stmt (enum tree_code, ...); 1222extern tree build_case_label (tree, tree, tree); | 751extern tree do_case (tree, tree); 752extern tree build_stmt (enum tree_code, ...); 753extern tree build_case_label (tree, tree, tree); |
1223extern tree build_continue_stmt (void); 1224extern tree build_break_stmt (void); 1225extern tree build_return_stmt (tree); | |
1226 | 754 |
1227#define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE) 1228 1229/* Used by the C++ frontend to mark the block around the member 1230 initializers and cleanups. */ 1231#define COMPOUND_STMT_BODY_BLOCK(NODE) TREE_LANG_FLAG_3 (NODE) 1232 1233extern void c_expand_asm_operands (tree, tree, tree, tree, int, location_t); 1234 | |
1235/* These functions must be defined by each front-end which implements 1236 a variant of the C language. They are used in c-common.c. */ 1237 1238extern tree build_unary_op (enum tree_code, tree, int); 1239extern tree build_binary_op (enum tree_code, tree, tree, int); | 755/* These functions must be defined by each front-end which implements 756 a variant of the C language. They are used in c-common.c. */ 757 758extern tree build_unary_op (enum tree_code, tree, int); 759extern tree build_binary_op (enum tree_code, tree, tree, int); |
1240extern int lvalue_p (tree); | 760extern tree perform_integral_promotions (tree); 761 762/* These functions must be defined by each front-end which implements 763 a variant of the C language. They are used by port files. */ 764 |
1241extern tree default_conversion (tree); 1242 1243/* Given two integer or real types, return the type for their sum. 1244 Given two compatible ANSI C types, returns the merged type. */ 1245 1246extern tree common_type (tree, tree); 1247 | 765extern tree default_conversion (tree); 766 767/* Given two integer or real types, return the type for their sum. 768 Given two compatible ANSI C types, returns the merged type. */ 769 770extern tree common_type (tree, tree); 771 |
1248extern tree expand_tree_builtin (tree, tree, tree); 1249 | |
1250extern tree decl_constant_value (tree); 1251 1252/* Handle increment and decrement of boolean types. */ 1253extern tree boolean_increment (enum tree_code, tree); 1254 | 772extern tree decl_constant_value (tree); 773 774/* Handle increment and decrement of boolean types. */ 775extern tree boolean_increment (enum tree_code, tree); 776 |
1255/* Hook currently used only by the C++ front end to reset internal state 1256 after entering or leaving a header file. */ 1257extern void extract_interface_info (void); 1258 | |
1259extern int case_compare (splay_tree_key, splay_tree_key); 1260 | 777extern int case_compare (splay_tree_key, splay_tree_key); 778 |
1261extern tree c_add_case_label (splay_tree, tree, tree, tree); | 779extern tree c_add_case_label (splay_tree, tree, tree, tree, tree); |
1262 | 780 |
781extern void c_do_switch_warnings (splay_tree, location_t, tree, tree); 782 |
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1263extern tree build_function_call (tree, tree); 1264 | 783extern tree build_function_call (tree, tree); 784 |
785extern tree resolve_overloaded_builtin (tree, tree); 786 |
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1265extern tree finish_label_address_expr (tree); 1266 1267/* Same function prototype, but the C and C++ front ends have 1268 different implementations. Used in c-common.c. */ 1269extern tree lookup_label (tree); | 787extern tree finish_label_address_expr (tree); 788 789/* Same function prototype, but the C and C++ front ends have 790 different implementations. Used in c-common.c. */ 791extern tree lookup_label (tree); |
792extern tree lookup_name (tree); |
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1270 1271extern int vector_types_convertible_p (tree t1, tree t2); 1272 1273extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); 1274 | 793 794extern int vector_types_convertible_p (tree t1, tree t2); 795 796extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); 797 |
1275extern int c_safe_from_p (rtx, tree); | 798extern tree c_staticp (tree); |
1276 | 799 |
1277extern int c_staticp (tree); 1278 1279extern int c_common_unsafe_for_reeval (tree); 1280 | |
1281extern void init_c_lex (void); 1282 1283extern void c_cpp_builtins (cpp_reader *); 1284 1285/* Positive if an implicit `extern "C"' scope has just been entered; 1286 negative if such a scope has just been exited. */ | 800extern void init_c_lex (void); 801 802extern void c_cpp_builtins (cpp_reader *); 803 804/* Positive if an implicit `extern "C"' scope has just been entered; 805 negative if such a scope has just been exited. */ |
1287extern int pending_lang_change; | 806extern GTY(()) int pending_lang_change; |
1288 1289/* Information recorded about each file examined during compilation. */ 1290 1291struct c_fileinfo 1292{ 1293 int time; /* Time spent in the file. */ | 807 808/* Information recorded about each file examined during compilation. */ 809 810struct c_fileinfo 811{ 812 int time; /* Time spent in the file. */ |
1294 short interface_only; /* Flags - used only by C++ */ | 813 814 /* Flags used only by C++. 815 INTERFACE_ONLY nonzero means that we are in an "interface" section 816 of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust 817 the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and 818 INTERFACE_ONLY is zero, it means that we are responsible for 819 exporting definitions that others might need. */ 820 short interface_only; |
1295 short interface_unknown; 1296}; 1297 1298struct c_fileinfo *get_fileinfo (const char *); 1299extern void dump_time_statistics (void); 1300 1301extern bool c_dump_tree (void *, tree); 1302 | 821 short interface_unknown; 822}; 823 824struct c_fileinfo *get_fileinfo (const char *); 825extern void dump_time_statistics (void); 826 827extern bool c_dump_tree (void *, tree); 828 |
829extern void c_warn_unused_result (tree *); 830 831extern void verify_sequence_points (tree); 832 833extern tree fold_offsetof (tree, tree); 834 835/* Places where an lvalue, or modifiable lvalue, may be required. 836 Used to select diagnostic messages in lvalue_error and 837 readonly_error. */ 838enum lvalue_use { 839 lv_assign, 840 lv_increment, 841 lv_decrement, 842 lv_addressof, 843 lv_asm 844}; 845 846extern void lvalue_error (enum lvalue_use); 847 848extern int complete_array_type (tree *, tree, bool); 849 850extern tree builtin_type_for_size (int, bool); 851 852extern void warn_array_subscript_with_type_char (tree); 853 854/* In c-gimplify.c */ 855extern void c_genericize (tree); 856extern int c_gimplify_expr (tree *, tree *, tree *); 857extern tree c_build_bind_expr (tree, tree); 858 859/* In c-pch.c */ |
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1303extern void pch_init (void); 1304extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); 1305extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, 1306 const char *orig); 1307extern void c_common_write_pch (void); 1308extern void c_common_no_more_pch (void); | 860extern void pch_init (void); 861extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); 862extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, 863 const char *orig); 864extern void c_common_write_pch (void); 865extern void c_common_no_more_pch (void); |
866extern void c_common_pch_pragma (cpp_reader *pfile, const char *); 867extern void c_common_print_pch_checksum (FILE *f); 868 869/* In *-checksum.c */ 870extern const unsigned char executable_checksum[16]; 871 |
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1309extern void builtin_define_with_value (const char *, const char *, int); 1310extern void c_stddef_cpp_builtins (void); 1311extern void fe_file_change (const struct line_map *); | 872extern void builtin_define_with_value (const char *, const char *, int); 873extern void c_stddef_cpp_builtins (void); 874extern void fe_file_change (const struct line_map *); |
1312extern int c_estimate_num_insns (tree decl); 1313extern bool c_decl_uninit (tree t); | |
1314extern void c_parse_error (const char *, enum cpp_ttype, tree); 1315 | 875extern void c_parse_error (const char *, enum cpp_ttype, tree); 876 |
1316/* The following have been moved here from c-tree.h, since they're needed 1317 in the ObjC++ world, too. What is more, stub-objc.c could use a few 1318 prototypes. */ 1319extern tree lookup_interface (tree); 1320extern tree is_class_name (tree); | 877/* Objective-C / Objective-C++ entry points. */ 878 879/* The following ObjC/ObjC++ functions are called by the C and/or C++ 880 front-ends; they all must have corresponding stubs in stub-objc.c. */ 881extern tree objc_is_class_name (tree); |
1321extern tree objc_is_object_ptr (tree); 1322extern void objc_check_decl (tree); | 882extern tree objc_is_object_ptr (tree); 883extern void objc_check_decl (tree); |
1323extern int objc_comptypes (tree, tree, int); | 884extern int objc_is_reserved_word (tree); 885extern bool objc_compare_types (tree, tree, int, tree); 886extern void objc_volatilize_decl (tree); 887extern bool objc_type_quals_match (tree, tree); 888extern tree objc_rewrite_function_call (tree, tree); |
1324extern tree objc_message_selector (void); | 889extern tree objc_message_selector (void); |
1325extern tree lookup_objc_ivar (tree); 1326extern void *get_current_scope (void); | 890extern tree objc_lookup_ivar (tree, tree); 891extern void objc_clear_super_receiver (void); 892extern int objc_is_public (tree, tree); 893extern tree objc_is_id (tree); 894extern void objc_declare_alias (tree, tree); 895extern void objc_declare_class (tree); 896extern void objc_declare_protocols (tree); 897extern tree objc_build_message_expr (tree); 898extern tree objc_finish_message_expr (tree, tree, tree); 899extern tree objc_build_selector_expr (tree); 900extern tree objc_build_protocol_expr (tree); 901extern tree objc_build_encode_expr (tree); 902extern tree objc_build_string_object (tree); 903extern tree objc_get_protocol_qualified_type (tree, tree); 904extern tree objc_get_class_reference (tree); 905extern tree objc_get_class_ivars (tree); 906extern void objc_start_class_interface (tree, tree, tree); 907extern void objc_start_category_interface (tree, tree, tree); 908extern void objc_start_protocol (tree, tree); 909extern void objc_continue_interface (void); 910extern void objc_finish_interface (void); 911extern void objc_start_class_implementation (tree, tree); 912extern void objc_start_category_implementation (tree, tree); 913extern void objc_continue_implementation (void); 914extern void objc_finish_implementation (void); 915extern void objc_set_visibility (int); 916extern void objc_set_method_type (enum tree_code); 917extern tree objc_build_method_signature (tree, tree, tree, bool); 918extern void objc_add_method_declaration (tree); 919extern void objc_start_method_definition (tree); 920extern void objc_finish_method_definition (tree); 921extern void objc_add_instance_variable (tree); 922extern tree objc_build_keyword_decl (tree, tree, tree); 923extern tree objc_build_throw_stmt (tree); 924extern void objc_begin_try_stmt (location_t, tree); 925extern tree objc_finish_try_stmt (void); 926extern void objc_begin_catch_clause (tree); 927extern void objc_finish_catch_clause (void); 928extern void objc_build_finally_clause (location_t, tree); 929extern tree objc_build_synchronized (location_t, tree, tree); 930extern int objc_static_init_needed_p (void); 931extern tree objc_generate_static_init_call (tree); 932extern tree objc_generate_write_barrier (tree, enum tree_code, tree); 933 934/* The following are provided by the C and C++ front-ends, and called by 935 ObjC/ObjC++. */ 936extern void *objc_get_current_scope (void); |
1327extern void objc_mark_locals_volatile (void *); 1328 1329/* In c-ppoutput.c */ 1330extern void init_pp_output (FILE *); 1331extern void preprocess_file (cpp_reader *); 1332extern void pp_file_change (const struct line_map *); 1333extern void pp_dir_change (cpp_reader *, const char *); | 937extern void objc_mark_locals_volatile (void *); 938 939/* In c-ppoutput.c */ 940extern void init_pp_output (FILE *); 941extern void preprocess_file (cpp_reader *); 942extern void pp_file_change (const struct line_map *); 943extern void pp_dir_change (cpp_reader *, const char *); |
944extern bool check_missing_format_attribute (tree, tree); |
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1334 | 945 |
946/* In c-omp.c */ 947extern tree c_finish_omp_master (tree); 948extern tree c_finish_omp_critical (tree, tree); 949extern tree c_finish_omp_ordered (tree); 950extern void c_finish_omp_barrier (void); 951extern tree c_finish_omp_atomic (enum tree_code, tree, tree); 952extern void c_finish_omp_flush (void); 953extern tree c_finish_omp_for (location_t, tree, tree, tree, tree, tree, tree); 954extern void c_split_parallel_clauses (tree, tree *, tree *); 955extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); 956 957/* Not in c-omp.c; provided by the front end. */ 958extern bool c_omp_sharing_predetermined (tree); 959extern tree c_omp_remap_decl (tree, bool); 960 961/* In order for the format checking to accept the C frontend 962 diagnostic framework extensions, you must include this file before 963 toplev.h, not after. The C front end formats are a subset of those 964 for C++, so they are the appropriate set to use in common code; 965 cp-tree.h overrides this for C++. */ 966#ifndef GCC_DIAG_STYLE 967#define GCC_DIAG_STYLE __gcc_cdiag__ 968#endif 969 |
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1335#endif /* ! GCC_C_COMMON_H */ | 970#endif /* ! GCC_C_COMMON_H */ |